bump to :rawhide & * remove "release"

Signed-off-by: Tomas Tomecek <ttomecek@redhat.com>

Dockerfile

@@ -1,11 +1,10 @@
-FROM registry.fedoraproject.org/fedora:28
+FROM registry.fedoraproject.org/fedora:rawhide
 LABEL maintainer "Tomas Tomecek \"ttomecek@redhat.com\""
 
-ENV NAME=tools VERSION=0 RELEASE=3 ARCH=x86_64
+ENV NAME=tools VERSION=0 ARCH=x86_64
 LABEL com.redhat.component="$NAME" \
       name="$FGC/$NAME" \
       version="$VERSION" \
-      release="$RELEASE.$DISTTAG" \
       architecture="$ARCH" \
       run="docker run -it --name NAME --privileged --ipc=host --net=host --pid=host -e HOST=/host -e NAME=NAME -e IMAGE=IMAGE -v /run:/run -v /var/log:/var/log -v /etc/machine-id:/etc/machine-id -v /etc/localtime:/etc/localtime -v /:/host IMAGE" \
       summary="container with all the management tools you miss in Atomic Host"